FR2494943A1 - Circuit d'effacement video avec allure controlee de deseffacement - Google Patents
Circuit d'effacement video avec allure controlee de deseffacement Download PDFInfo
- Publication number
- FR2494943A1 FR2494943A1 FR8122073A FR8122073A FR2494943A1 FR 2494943 A1 FR2494943 A1 FR 2494943A1 FR 8122073 A FR8122073 A FR 8122073A FR 8122073 A FR8122073 A FR 8122073A FR 2494943 A1 FR2494943 A1 FR 2494943A1
- Authority
- FR
- France
- Prior art keywords
- channel change
- video
- transistor
- voltage
- during
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008859 change Effects 0.000 claims abstract description 36
- 230000004044 response Effects 0.000 claims abstract description 20
- 230000010287 polarization Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 claims description 6
- 238000005513 bias potential Methods 0.000 claims 2
- 238000005562 fading Methods 0.000 claims 2
- 238000012217 deletion Methods 0.000 abstract description 3
- 230000037430 deletion Effects 0.000 abstract description 3
- 238000012800 visualization Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/42—Flyback transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
- H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Processing Of Color Television Signals (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/210,839 US4330792A (en) | 1980-11-26 | 1980-11-26 | Video blanking circuit with controlled rate of unblanking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2494943A1 true FR2494943A1 (fr) | 1982-05-28 |
| FR2494943B1 FR2494943B1 (enrdf_load_stackoverflow) | 1985-04-26 |
Family
ID=22784468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8122073A Granted FR2494943A1 (fr) | 1980-11-26 | 1981-11-25 | Circuit d'effacement video avec allure controlee de deseffacement |
Country Status (10)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536797A (en) * | 1983-10-12 | 1985-08-20 | Rca Corporation | Television receiver with auxiliary on-screen display |
| WO1990000849A1 (en) * | 1988-07-08 | 1990-01-25 | Commonwealth Scientific And Industrial Research Organisation | A real-time signal processing circuit |
| JP2680737B2 (ja) * | 1990-10-31 | 1997-11-19 | 三洋電機株式会社 | 画像表示制御装置 |
| JP3333235B2 (ja) * | 1992-06-15 | 2002-10-15 | 株式会社東芝 | 映像ミュート装置 |
| JPH0638119A (ja) * | 1992-06-15 | 1994-02-10 | Toshiba Corp | 映像表示装置 |
| KR0147862B1 (ko) * | 1994-08-25 | 1998-09-15 | 김광호 | 다중모드 모니터의 자동 빔전류 조성회로 및 그 방법 |
| JP2910825B2 (ja) * | 1994-10-20 | 1999-06-23 | 日本電気株式会社 | デジタル画像受信器 |
| BRPI0512026B1 (pt) * | 2004-06-14 | 2019-03-06 | Thomson Licensing | Sistema e método para mudar os canais de televisão em um processador de sinal de vídeo |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3131255A (en) * | 1962-01-02 | 1964-04-28 | Motorola Inc | Television control system |
| US3573365A (en) * | 1968-10-25 | 1971-04-06 | Rca Corp | Video muting circuits |
| US3673318A (en) * | 1971-02-03 | 1972-06-27 | Rca Corp | Video blanking and sound muting circuit |
| US3707597A (en) * | 1971-03-08 | 1972-12-26 | Rca Corp | Video blanking and audio muting circuit |
| US4047226A (en) * | 1975-10-30 | 1977-09-06 | Louis W. Parker | Television signal-seeking automatic tuning system |
| US4021849A (en) * | 1976-05-26 | 1977-05-03 | Gte Sylvania Incorporated | Television receiver raster blanking system |
| DE2723818C2 (de) * | 1977-05-26 | 1984-10-25 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zur Unterdrückung des Strahlstroms einer Bildröhre |
| US4110787A (en) * | 1977-07-28 | 1978-08-29 | Rca Corporation | Combined blanking level and kinescope bias clamp for a television signal processing system |
| US4134046A (en) * | 1977-08-31 | 1979-01-09 | Rca Corporation | Retrace blanking pulse generator with delayed transition |
| US4193094A (en) * | 1978-06-02 | 1980-03-11 | Admiral Corporation | Bias boost circuit for television receiver |
-
1980
- 1980-11-26 US US06/210,839 patent/US4330792A/en not_active Expired - Lifetime
-
1981
- 1981-11-18 CA CA000390387A patent/CA1164995A/en not_active Expired
- 1981-11-19 FI FI813674A patent/FI73109C/fi not_active IP Right Cessation
- 1981-11-23 IT IT25225/81A patent/IT1142064B/it active
- 1981-11-24 AT AT0505481A patent/AT385159B/de not_active IP Right Cessation
- 1981-11-25 JP JP56189841A patent/JPS57116491A/ja active Granted
- 1981-11-25 GB GB8135563A patent/GB2090501B/en not_active Expired
- 1981-11-25 FR FR8122073A patent/FR2494943A1/fr active Granted
- 1981-11-26 DE DE3146926A patent/DE3146926C2/de not_active Expired
- 1981-11-26 KR KR1019810004581A patent/KR880000603B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3146926C2 (de) | 1989-04-27 |
| AT385159B (de) | 1988-02-25 |
| IT1142064B (it) | 1986-10-08 |
| GB2090501B (en) | 1984-09-26 |
| FI73109B (fi) | 1987-04-30 |
| JPS623640B2 (enrdf_load_stackoverflow) | 1987-01-26 |
| KR880000603B1 (ko) | 1988-04-16 |
| CA1164995A (en) | 1984-04-03 |
| KR830008616A (ko) | 1983-12-10 |
| GB2090501A (en) | 1982-07-07 |
| FI73109C (fi) | 1987-08-10 |
| US4330792A (en) | 1982-05-18 |
| IT8125225A0 (it) | 1981-11-23 |
| ATA505481A (de) | 1987-07-15 |
| FI813674L (fi) | 1982-05-27 |
| FR2494943B1 (enrdf_load_stackoverflow) | 1985-04-26 |
| JPS57116491A (en) | 1982-07-20 |
| DE3146926A1 (de) | 1982-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |